St. John the Baptist Catholic School
Diocesan school · Grades K–8
Costa Mesa, CA
1021 Baker St, Costa Mesa, CA 92626
Overall grade: A+
ChooseAPrivateSchool.com grade, from official facts compared with similar schools.
- B+Class size
- A-Years serving families
- A+Diversity
What stands out
- Serving families in Costa Mesa since at least 2011
St. John the Baptist Catholic School is a Catholic diocesan school in Costa Mesa, California, for students from kindergarten through 8th grade. It has about 505 students and around 17 students per teacher. It has been listed in official private school records since 2011–12. The school is part of the Diocese of Orange. Students attend about 7 hours a day, 180 days a year.
At a glance
- Grades
- Grades K–8
- Students
- 505
- Teachers
- 29.5 (full-time equivalent)
- Students per teacher
- 17.1
- Boys and girls
- Coed · 237 girls, 268 boys
- Religious affiliation
- Catholic · Diocesan school
- Diocese
- Diocese of Orange
- School day
- About 7 hours
- School year
- 180 days
- Library
- Yes
Reviews
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How it compares
- Larger than 96% of Catholic elementary schools in California.
- Compared with 416 Catholic elementary schools in California.
Students by survey year
Total students reported in official records since 2011–12.
Students by grade
Student body
Member of
- National Catholic Educational Association
Questions to ask on a tour
- What is tuition, and what does it include (books, fees, uniforms, trips)?
- Do you offer financial aid, sibling discounts or payment plans?
- Do you accept ESA, voucher or tax-credit scholarship funds?
- How big are classes in my child's grade?
- What support is there for students who need extra help or more challenge?
- Is the school accredited, and by whom?
- What do a typical day and a typical week look like?
- How does the school communicate with families?
Questions about St. John the Baptist Catholic School
What grades does St. John the Baptist Catholic School serve?
St. John the Baptist Catholic School serves grades K–8.
How many students attend St. John the Baptist Catholic School?
About 505 students, with 17 students per teacher, according to official records.
How much is tuition at St. John the Baptist Catholic School?
Call the school to ask about tuition, financial aid and payment plans.
Official record · Updated October 2026 · Official search · Something wrong? Tell us
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